Towel holder



FIG. 1 is a perspective view of a towel holder showing my new design;

FIG. 2 is a top side view thereof;

FIG. 3 is a bottom side view thereof;

FIG. 4 is a front side view thereof;

FIG. 5 is a back side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The ornamental design for a towel holder, as shown.